EP4107192A1 - Purification of saccharides - Google Patents

Purification of saccharides

Info

Publication number
EP4107192A1
EP4107192A1 EP21711029.5A EP21711029A EP4107192A1 EP 4107192 A1 EP4107192 A1 EP 4107192A1 EP 21711029 A EP21711029 A EP 21711029A EP 4107192 A1 EP4107192 A1 EP 4107192A1
Authority
EP
European Patent Office
Prior art keywords
formula
kda
micron
minutes
polysaccharide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21711029.5A
Other languages
German (de)
English (en)
French (fr)
Inventor
Wei Chen
Ling Chu
Nishith Merchant
Justin Keith Moran
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pfizer Inc
Original Assignee
Pfizer Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pfizer Inc filed Critical Pfizer Inc
Publication of EP4107192A1 publication Critical patent/EP4107192A1/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C08B37/0003—General processes for their isolation or fractionation, e.g. purification or extraction from biomass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/01—Separation of suspended solid particles from liquids by sedimentation using flocculating agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/145—Ultrafiltration
    • B01D61/146—Ultrafiltration comprising multiple ultrafiltration steps
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C08B37/006—Heteroglycans, i.e. polysaccharides having more than one sugar residue in the main chain in either alternating or less regular sequence; Gellans; Succinoglycans; Arabinogalactans; Tragacanth or gum tragacanth or traganth from Astragalus; Gum Karaya from Sterculia urens; Gum Ghatti from Anogeissus latifolia; Derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P19/00—Preparation of compounds containing saccharide radicals
    • C12P19/04—Polysaccharides, i.e. compounds containing more than five saccharide radicals attached to each other by glycosidic bonds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
EP21711029.5A 2020-02-21 2021-02-17 Purification of saccharides Pending EP4107192A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US202062980134P 2020-02-21 2020-02-21
US202063068338P 2020-08-20 2020-08-20
US202163143795P 2021-01-30 2021-01-30
PCT/IB2021/051330 WO2021165847A1 (en) 2020-02-21 2021-02-17 Purification of saccharides

Publications (1)

Publication Number Publication Date
EP4107192A1 true EP4107192A1 (en) 2022-12-28

Family

ID=74867574

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21711029.5A Pending EP4107192A1 (en) 2020-02-21 2021-02-17 Purification of saccharides

Country Status (11)

Country Link
US (1) US20230085173A1 (pt)
EP (1) EP4107192A1 (pt)
JP (1) JP2021132644A (pt)
KR (1) KR20220144393A (pt)
CN (1) CN115362177A (pt)
AU (1) AU2021224078B2 (pt)
BR (1) BR112022015796A2 (pt)
CA (1) CA3171864A1 (pt)
IL (1) IL295713A (pt)
MX (1) MX2022010355A (pt)
WO (1) WO2021165847A1 (pt)

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Also Published As

Publication number Publication date
KR20220144393A (ko) 2022-10-26
MX2022010355A (es) 2022-09-21
AU2021224078A1 (en) 2022-09-08
JP2021132644A (ja) 2021-09-13
US20230085173A1 (en) 2023-03-16
CN115362177A (zh) 2022-11-18
AU2021224078B2 (en) 2024-01-18
IL295713A (en) 2022-10-01
WO2021165847A1 (en) 2021-08-26
CA3171864A1 (en) 2021-08-26
BR112022015796A2 (pt) 2022-10-11

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